<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<style>
.a { font-style: italic; }
.b { font-weight: bold; }
.c { color: red; }
</style>
</head>
<body>
<p class="a">class="a"</p>
<p class="b">class="b"</p>
<p class="c">class="c"</p>
<p class="a b">class="a b"</p>
<p class="a b c">class="a b c"</p>
</body>
</html>
